summaryrefslogtreecommitdiffstats
path: root/fs/xfs/quota
diff options
context:
space:
mode:
Diffstat (limited to 'fs/xfs/quota')
-rw-r--r--fs/xfs/quota/xfs_dquot.c41
-rw-r--r--fs/xfs/quota/xfs_dquot.h31
-rw-r--r--fs/xfs/quota/xfs_dquot_item.c12
-rw-r--r--fs/xfs/quota/xfs_qm.c38
-rw-r--r--fs/xfs/quota/xfs_qm.h2
-rw-r--r--fs/xfs/quota/xfs_qm_bhv.c7
-rw-r--r--fs/xfs/quota/xfs_qm_syscalls.c16
-rw-r--r--fs/xfs/quota/xfs_quota_priv.h3
8 files changed, 70 insertions, 80 deletions
diff --git a/fs/xfs/quota/xfs_dquot.c b/fs/xfs/quota/xfs_dquot.c
index 85df3288efd..f2705f2fd43 100644
--- a/fs/xfs/quota/xfs_dquot.c
+++ b/fs/xfs/quota/xfs_dquot.c
@@ -101,11 +101,18 @@ xfs_qm_dqinit(
if (brandnewdquot) {
dqp->dq_flnext = dqp->dq_flprev = dqp;
mutex_init(&dqp->q_qlock);
- initnsema(&dqp->q_flock, 1, "fdq");
sv_init(&dqp->q_pinwait, SV_DEFAULT, "pdq");
+ /*
+ * Because we want to use a counting completion, complete
+ * the flush completion once to allow a single access to
+ * the flush completion without blocking.
+ */
+ init_completion(&dqp->q_flush);
+ complete(&dqp->q_flush);
+
#ifdef XFS_DQUOT_TRACE
- dqp->q_trace = ktrace_alloc(DQUOT_TRACE_SIZE, KM_SLEEP);
+ dqp->q_trace = ktrace_alloc(DQUOT_TRACE_SIZE, KM_NOFS);
xfs_dqtrace_entry(dqp, "DQINIT");
#endif
} else {
@@ -150,7 +157,6 @@ xfs_qm_dqdestroy(
ASSERT(! XFS_DQ_IS_ON_FREELIST(dqp));
mutex_destroy(&dqp->q_qlock);
- freesema(&dqp->q_flock);
sv_destroy(&dqp->q_pinwait);
#ifdef XFS_DQUOT_TRACE
@@ -431,7 +437,7 @@ xfs_qm_dqalloc(
* when it unlocks the inode. Since we want to keep the quota
* inode around, we bump the vnode ref count now.
*/
- VN_HOLD(XFS_ITOV(quotip));
+ IHOLD(quotip);
xfs_trans_ijoin(tp, quotip, XFS_ILOCK_EXCL);
nmaps = 1;
@@ -1211,7 +1217,7 @@ xfs_qm_dqflush(
int error;
ASSERT(XFS_DQ_IS_LOCKED(dqp));
- ASSERT(XFS_DQ_IS_FLUSH_LOCKED(dqp));
+ ASSERT(!completion_done(&dqp->q_flush));
xfs_dqtrace_entry(dqp, "DQFLUSH");
/*
@@ -1348,34 +1354,18 @@ xfs_qm_dqflush_done(
xfs_dqfunlock(dqp);
}
-
-int
-xfs_qm_dqflock_nowait(
- xfs_dquot_t *dqp)
-{
- int locked;
-
- locked = cpsema(&((dqp)->q_flock));
-
- /* XXX ifdef these out */
- if (locked)
- (dqp)->dq_flags |= XFS_DQ_FLOCKED;
- return (locked);
-}
-
-
int
xfs_qm_dqlock_nowait(
xfs_dquot_t *dqp)
{
- return (mutex_trylock(&((dqp)->q_qlock)));
+ return mutex_trylock(&dqp->q_qlock);
}
void
xfs_dqlock(
xfs_dquot_t *dqp)
{
- mutex_lock(&(dqp->q_qlock));
+ mutex_lock(&dqp->q_qlock);
}
void
@@ -1435,8 +1425,7 @@ xfs_dqlock2(
/* ARGSUSED */
int
xfs_qm_dqpurge(
- xfs_dquot_t *dqp,
- uint flags)
+ xfs_dquot_t *dqp)
{
xfs_dqhash_t *thishash;
xfs_mount_t *mp = dqp->q_mount;
@@ -1469,7 +1458,7 @@ xfs_qm_dqpurge(
* if we're turning off quotas. Basically, we need this flush
* lock, and are willing to block on it.
*/
- if (! xfs_qm_dqflock_nowait(dqp)) {
+ if (!xfs_dqflock_nowait(dqp)) {
/*
* Block on the flush lock after nudging dquot buffer,
* if it is incore.
diff --git a/fs/xfs/quota/xfs_dquot.h b/fs/xfs/quota/xfs_dquot.h
index 5c371a92e3e..8958d0faf8d 100644
--- a/fs/xfs/quota/xfs_dquot.h
+++ b/fs/xfs/quota/xfs_dquot.h
@@ -82,7 +82,7 @@ typedef struct xfs_dquot {
xfs_qcnt_t q_res_icount; /* total inos allocd+reserved */
xfs_qcnt_t q_res_rtbcount;/* total realtime blks used+reserved */
mutex_t q_qlock; /* quota lock */
- sema_t q_flock; /* flush lock */
+ struct completion q_flush; /* flush completion queue */
uint q_pincount; /* pin count for this dquot */
sv_t q_pinwait; /* sync var for pinning */
#ifdef XFS_DQUOT_TRACE
@@ -113,17 +113,25 @@ XFS_DQ_IS_LOCKED(xfs_dquot_t *dqp)
/*
- * The following three routines simply manage the q_flock
- * semaphore embedded in the dquot. This semaphore synchronizes
- * processes attempting to flush the in-core dquot back to disk.
+ * Manage the q_flush completion queue embedded in the dquot. This completion
+ * queue synchronizes processes attempting to flush the in-core dquot back to
+ * disk.
*/
-#define xfs_dqflock(dqp) { psema(&((dqp)->q_flock), PINOD | PRECALC);\
- (dqp)->dq_flags |= XFS_DQ_FLOCKED; }
-#define xfs_dqfunlock(dqp) { ASSERT(issemalocked(&((dqp)->q_flock))); \
- vsema(&((dqp)->q_flock)); \
- (dqp)->dq_flags &= ~(XFS_DQ_FLOCKED); }
+static inline void xfs_dqflock(xfs_dquot_t *dqp)
+{
+ wait_for_completion(&dqp->q_flush);
+}
+
+static inline int xfs_dqflock_nowait(xfs_dquot_t *dqp)
+{
+ return try_wait_for_completion(&dqp->q_flush);
+}
+
+static inline void xfs_dqfunlock(xfs_dquot_t *dqp)
+{
+ complete(&dqp->q_flush);
+}
-#define XFS_DQ_IS_FLUSH_LOCKED(dqp) (issemalocked(&((dqp)->q_flock)))
#define XFS_DQ_IS_ON_FREELIST(dqp) ((dqp)->dq_flnext != (dqp))
#define XFS_DQ_IS_DIRTY(dqp) ((dqp)->dq_flags & XFS_DQ_DIRTY)
#define XFS_QM_ISUDQ(dqp) ((dqp)->dq_flags & XFS_DQ_USER)
@@ -164,10 +172,9 @@ extern void xfs_qm_dqprint(xfs_dquot_t *);
extern void xfs_qm_dqdestroy(xfs_dquot_t *);
extern int xfs_qm_dqflush(xfs_dquot_t *, uint);
-extern int xfs_qm_dqpurge(xfs_dquot_t *, uint);
+extern int xfs_qm_dqpurge(xfs_dquot_t *);
extern void xfs_qm_dqunpin_wait(xfs_dquot_t *);
extern int xfs_qm_dqlock_nowait(xfs_dquot_t *);
-extern int xfs_qm_dqflock_nowait(xfs_dquot_t *);
extern void xfs_qm_dqflock_pushbuf_wait(xfs_dquot_t *dqp);
extern void xfs_qm_adjust_dqtimers(xfs_mount_t *,
xfs_disk_dquot_t *);
diff --git a/fs/xfs/quota/xfs_dquot_item.c b/fs/xfs/quota/xfs_dquot_item.c
index 36e05ca7841..f028644caa5 100644
--- a/fs/xfs/quota/xfs_dquot_item.c
+++ b/fs/xfs/quota/xfs_dquot_item.c
@@ -151,7 +151,7 @@ xfs_qm_dquot_logitem_push(
dqp = logitem->qli_dquot;
ASSERT(XFS_DQ_IS_LOCKED(dqp));
- ASSERT(XFS_DQ_IS_FLUSH_LOCKED(dqp));
+ ASSERT(!completion_done(&dqp->q_flush));
/*
* Since we were able to lock the dquot's flush lock and
@@ -245,7 +245,7 @@ xfs_qm_dquot_logitem_pushbuf(
* inode flush completed and the inode was taken off the AIL.
* So, just get out.
*/
- if (!issemalocked(&(dqp->q_flock)) ||
+ if (completion_done(&dqp->q_flush) ||
((qip->qli_item.li_flags & XFS_LI_IN_AIL) == 0)) {
qip->qli_pushbuf_flag = 0;
xfs_dqunlock(dqp);
@@ -258,7 +258,7 @@ xfs_qm_dquot_logitem_pushbuf(
if (bp != NULL) {
if (XFS_BUF_ISDELAYWRITE(bp)) {
dopush = ((qip->qli_item.li_flags & XFS_LI_IN_AIL) &&
- issemalocked(&(dqp->q_flock)));
+ !completion_done(&dqp->q_flush));
qip->qli_pushbuf_flag = 0;
xfs_dqunlock(dqp);
@@ -317,7 +317,7 @@ xfs_qm_dquot_logitem_trylock(
return (XFS_ITEM_LOCKED);
retval = XFS_ITEM_SUCCESS;
- if (! xfs_qm_dqflock_nowait(dqp)) {
+ if (!xfs_dqflock_nowait(dqp)) {
/*
* The dquot is already being flushed. It may have been
* flushed delayed write, however, and we don't want to
@@ -576,8 +576,8 @@ xfs_qm_qoffend_logitem_committed(
* xfs_trans_delete_ail() drops the AIL lock.
*/
xfs_trans_delete_ail(qfs->qql_item.li_mountp, (xfs_log_item_t *)qfs);
- kmem_free(qfs, sizeof(xfs_qoff_logitem_t));
- kmem_free(qfe, sizeof(xfs_qoff_logitem_t));
+ kmem_free(qfs);
+ kmem_free(qfe);
return (xfs_lsn_t)-1;
}
diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c
index d31cce1165c..df0ffef9775 100644
--- a/fs/xfs/quota/xfs_qm.c
+++ b/fs/xfs/quota/xfs_qm.c
@@ -192,8 +192,8 @@ xfs_qm_destroy(
xfs_qm_list_destroy(&(xqm->qm_usr_dqhtable[i]));
xfs_qm_list_destroy(&(xqm->qm_grp_dqhtable[i]));
}
- kmem_free(xqm->qm_usr_dqhtable, hsize * sizeof(xfs_dqhash_t));
- kmem_free(xqm->qm_grp_dqhtable, hsize * sizeof(xfs_dqhash_t));
+ kmem_free(xqm->qm_usr_dqhtable);
+ kmem_free(xqm->qm_grp_dqhtable);
xqm->qm_usr_dqhtable = NULL;
xqm->qm_grp_dqhtable = NULL;
xqm->qm_dqhashmask = 0;
@@ -201,7 +201,7 @@ xfs_qm_destroy(
#ifdef DEBUG
mutex_destroy(&qcheck_lock);
#endif
- kmem_free(xqm, sizeof(xfs_qm_t));
+ kmem_free(xqm);
}
/*
@@ -310,8 +310,7 @@ xfs_qm_unmount_quotadestroy(
*/
void
xfs_qm_mount_quotas(
- xfs_mount_t *mp,
- int mfsi_flags)
+ xfs_mount_t *mp)
{
int error = 0;
uint sbf;
@@ -346,8 +345,7 @@ xfs_qm_mount_quotas(
/*
* If any of the quotas are not consistent, do a quotacheck.
*/
- if (XFS_QM_NEED_QUOTACHECK(mp) &&
- !(mfsi_flags & XFS_MFSI_NO_QUOTACHECK)) {
+ if (XFS_QM_NEED_QUOTACHECK(mp)) {
error = xfs_qm_quotacheck(mp);
if (error) {
/* Quotacheck failed and disabled quotas. */
@@ -445,11 +443,11 @@ xfs_qm_unmount_quotas(
}
}
if (uqp) {
- XFS_PURGE_INODE(uqp);
+ IRELE(uqp);
mp->m_quotainfo->qi_uquotaip = NULL;
}
if (gqp) {
- XFS_PURGE_INODE(gqp);
+ IRELE(gqp);
mp->m_quotainfo->qi_gquotaip = NULL;
}
out:
@@ -484,7 +482,7 @@ again:
xfs_dqtrace_entry(dqp, "FLUSHALL: DQDIRTY");
/* XXX a sentinel would be better */
recl = XFS_QI_MPLRECLAIMS(mp);
- if (! xfs_qm_dqflock_nowait(dqp)) {
+ if (!xfs_dqflock_nowait(dqp)) {
/*
* If we can't grab the flush lock then check
* to see if the dquot has been flushed delayed
@@ -631,7 +629,7 @@ xfs_qm_dqpurge_int(
* freelist in INACTIVE state.
*/
nextdqp = dqp->MPL_NEXT;
- nmisses += xfs_qm_dqpurge(dqp, flags);
+ nmisses += xfs_qm_dqpurge(dqp);
dqp = nextdqp;
}
xfs_qm_mplist_unlock(mp);
@@ -1062,7 +1060,7 @@ xfs_qm_sync(
/* XXX a sentinel would be better */
recl = XFS_QI_MPLRECLAIMS(mp);
- if (! xfs_qm_dqflock_nowait(dqp)) {
+ if (!xfs_dqflock_nowait(dqp)) {
if (nowait) {
xfs_dqunlock(dqp);
continue;
@@ -1134,7 +1132,7 @@ xfs_qm_init_quotainfo(
* and change the superblock accordingly.
*/
if ((error = xfs_qm_init_quotainos(mp))) {
- kmem_free(qinf, sizeof(xfs_quotainfo_t));
+ kmem_free(qinf);
mp->m_quotainfo = NULL;
return error;
}
@@ -1240,15 +1238,15 @@ xfs_qm_destroy_quotainfo(
xfs_qm_list_destroy(&qi->qi_dqlist);
if (qi->qi_uquotaip) {
- XFS_PURGE_INODE(qi->qi_uquotaip);
+ IRELE(qi->qi_uquotaip);
qi->qi_uquotaip = NULL; /* paranoia */
}
if (qi->qi_gquotaip) {
- XFS_PURGE_INODE(qi->qi_gquotaip);
+ IRELE(qi->qi_gquotaip);
qi->qi_gquotaip = NULL;
}
mutex_destroy(&qi->qi_quotaofflock);
- kmem_free(qi, sizeof(xfs_quotainfo_t));
+ kmem_free(qi);
mp->m_quotainfo = NULL;
}
@@ -1394,7 +1392,7 @@ xfs_qm_qino_alloc(
* locked exclusively and joined to the transaction already.
*/
ASSERT(xfs_isilocked(*ip, XFS_ILOCK_EXCL));
- VN_HOLD(XFS_ITOV((*ip)));
+ IHOLD(*ip);
/*
* Make the changes in the superblock, and log those too.
@@ -1623,7 +1621,7 @@ xfs_qm_dqiterate(
break;
} while (nmaps > 0);
- kmem_free(map, XFS_DQITER_MAP_SIZE * sizeof(*map));
+ kmem_free(map);
return error;
}
@@ -2079,7 +2077,7 @@ xfs_qm_shake_freelist(
* Try to grab the flush lock. If this dquot is in the process of
* getting flushed to disk, we don't want to reclaim it.
*/
- if (! xfs_qm_dqflock_nowait(dqp)) {
+ if (!xfs_dqflock_nowait(dqp)) {
xfs_dqunlock(dqp);
dqp = dqp->dq_flnext;
continue;
@@ -2257,7 +2255,7 @@ xfs_qm_dqreclaim_one(void)
* Try to grab the flush lock. If this dquot is in the process of
* getting flushed to disk, we don't want to reclaim it.
*/
- if (! xfs_qm_dqflock_nowait(dqp)) {
+ if (!xfs_dqflock_nowait(dqp)) {
xfs_dqunlock(dqp);
continue;
}
diff --git a/fs/xfs/quota/xfs_qm.h b/fs/xfs/quota/xfs_qm.h
index cd2300e374a..44f25349e47 100644
--- a/fs/xfs/quota/xfs_qm.h
+++ b/fs/xfs/quota/xfs_qm.h
@@ -165,7 +165,7 @@ typedef struct xfs_dquot_acct {
#define XFS_QM_RELE(xqm) ((xqm)->qm_nrefs--)
extern void xfs_qm_destroy_quotainfo(xfs_mount_t *);
-extern void xfs_qm_mount_quotas(xfs_mount_t *, int);
+extern void xfs_qm_mount_quotas(xfs_mount_t *);
extern int xfs_qm_quotacheck(xfs_mount_t *);
extern void xfs_qm_unmount_quotadestroy(xfs_mount_t *);
extern int xfs_qm_unmount_quotas(xfs_mount_t *);
diff --git a/fs/xfs/quota/xfs_qm_bhv.c b/fs/xfs/quota/xfs_qm_bhv.c
index f4f6c4c861d..eea2e60b456 100644
--- a/fs/xfs/quota/xfs_qm_bhv.c
+++ b/fs/xfs/quota/xfs_qm_bhv.c
@@ -162,7 +162,7 @@ xfs_qm_newmount(
* mounting, and get on with the boring life
* without disk quotas.
*/
- xfs_qm_mount_quotas(mp, 0);
+ xfs_qm_mount_quotas(mp);
} else {
/*
* Clear the quota flags, but remember them. This
@@ -184,13 +184,12 @@ STATIC int
xfs_qm_endmount(
xfs_mount_t *mp,
uint needquotamount,
- uint quotaflags,
- int mfsi_flags)
+ uint quotaflags)
{
if (needquotamount) {
ASSERT(mp->m_qflags == 0);
mp->m_qflags = quotaflags;
- xfs_qm_mount_quotas(mp, mfsi_flags);
+ xfs_qm_mount_quotas(mp);
}
#if defined(DEBUG) && defined(XFS_LOUD_RECOVERY)
diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c
index 768a3b27d2b..1a3b803dfa5 100644
--- a/fs/xfs/quota/xfs_qm_syscalls.c
+++ b/fs/xfs/quota/xfs_qm_syscalls.c
@@ -362,11 +362,11 @@ xfs_qm_scall_quotaoff(
* if we don't need them anymore.
*/
if ((dqtype & XFS_QMOPT_UQUOTA) && XFS_QI_UQIP(mp)) {
- XFS_PURGE_INODE(XFS_QI_UQIP(mp));
+ IRELE(XFS_QI_UQIP(mp));
XFS_QI_UQIP(mp) = NULL;
}
if ((dqtype & (XFS_QMOPT_GQUOTA|XFS_QMOPT_PQUOTA)) && XFS_QI_GQIP(mp)) {
- XFS_PURGE_INODE(XFS_QI_GQIP(mp));
+ IRELE(XFS_QI_GQIP(mp));
XFS_QI_GQIP(mp) = NULL;
}
out_error:
@@ -1034,7 +1034,7 @@ xfs_qm_dqrele_all_inodes(
{
xfs_inode_t *ip, *topino;
uint ireclaims;
- bhv_vnode_t *vp;
+ struct inode *vp;
boolean_t vnode_refd;
ASSERT(mp->m_quotainfo);
@@ -1059,7 +1059,7 @@ again:
ip = ip->i_mnext;
continue;
}
- vp = XFS_ITOV_NULL(ip);
+ vp = VFS_I(ip);
if (!vp) {
ASSERT(ip->i_udquot == NULL);
ASSERT(ip->i_gdquot == NULL);
@@ -1449,14 +1449,14 @@ xfs_qm_internalqcheck(
for (d = (xfs_dqtest_t *) h1->qh_next; d != NULL; ) {
xfs_dqtest_cmp(d);
e = (xfs_dqtest_t *) d->HL_NEXT;
- kmem_free(d, sizeof(xfs_dqtest_t));
+ kmem_free(d);
d = e;
}
h1 = &qmtest_gdqtab[i];
for (d = (xfs_dqtest_t *) h1->qh_next; d != NULL; ) {
xfs_dqtest_cmp(d);
e = (xfs_dqtest_t *) d->HL_NEXT;
- kmem_free(d, sizeof(xfs_dqtest_t));
+ kmem_free(d);
d = e;
}
}
@@ -1467,8 +1467,8 @@ xfs_qm_internalqcheck(
} else {
cmn_err(CE_DEBUG, "******** quotacheck successful! ********");
}
- kmem_free(qmtest_udqtab, qmtest_hashmask * sizeof(xfs_dqhash_t));
- kmem_free(qmtest_gdqtab, qmtest_hashmask * sizeof(xfs_dqhash_t));
+ kmem_free(qmtest_udqtab);
+ kmem_free(qmtest_gdqtab);
mutex_unlock(&qcheck_lock);
return (qmtest_nfails);
}
diff --git a/fs/xfs/quota/xfs_quota_priv.h b/fs/xfs/quota/xfs_quota_priv.h
index 5e4a40b1c56..c4fcea600bc 100644
--- a/fs/xfs/quota/xfs_quota_priv.h
+++ b/fs/xfs/quota/xfs_quota_priv.h
@@ -158,9 +158,6 @@ for ((dqp) = (qlist)->qh_next; (dqp) != (xfs_dquot_t *)(qlist); \
#define XFS_IS_SUSER_DQUOT(dqp) \
(!((dqp)->q_core.d_id))
-#define XFS_PURGE_INODE(ip) \
- IRELE(ip);
-
#define DQFLAGTO_TYPESTR(d) (((d)->dq_flags & XFS_DQ_USER) ? "USR" : \
(((d)->dq_flags & XFS_DQ_GROUP) ? "GRP" : \
(((d)->dq_flags & XFS_DQ_PROJ) ? "PRJ":"???")))